Optical fiber cable
Inactive Publication Date: 2012-09-20
THE FUJIKURA CABLE WORKS LTD
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- Abstract
- Description
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- Application Information
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Benefits of technology
[0010]By the way, as described in Patent Document 1, so-called a self-supporting-type optical fiber cable is proposed. Such a self-supporting type optical fiber cable includes a suspension wire integrally provided along the sheath 104 at a side portion thereof, and it has advantages that the cable can be easily installed between telephone poles not equipped with suspension wires and that the cable can be replaced easily.
[0019]According to the present invention, it is possible to provide an optical fiber cable including a C-slotted core, which is configured as a self-supporting type by a suspension wire integrally provided along a sheath.
Problems solved by technology
It is complicated to use an additional suspension wire or to wind a suspension wire around the optical fiber cable as described above in the case of installing the optical fiber cable including the C-slotted core 103.
It is also inconvenient when the optical fiber cable is replaced, for example.
Method used
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Embodiment Construction
[0026]An embodiment of the present invention will be described below in detail with reference to the drawings.
[0027]FIG. 1 is a cross-sectional view showing a configuration of an optical fiber cable according to an embodiment of the present invention.
[0028]As shown in FIG. 1, an optical fiber cable 1 according to the embodiment of the present invention includes: an optical fiber 2; a slotted core 4 which is provided with a rectilinear slotted groove 3 disposed along a longitudinal direction of the cable (a Z-axis direction in FIG. 1) and is configured to house and hold the optical fiber 2 inside the slotted groove 3; and a cylindrical sheath (covering) 6 which covers the entire slotted core 4 inclusive of an opening portion 5 of the slotted groove 3. In addition, the optical fiber cable 1 includes a rectilinear suspension wire 8 integrally provided along the sheath 6 in the longitudinal direction (the Z-axis direction) of the cable, and a rectilinear tension member 7 inserted in the...
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An optical fiber cable includes: a slotted core which houses and holds an optical fiber in a rectilinear slotted groove disposed along a longitudinal direction of the cable; a cylindrical sheath covering the entire slotted core; a rectilinear hanger line integrally provided continuously to the sheath; and a rectilinear tension member mounted in the slotted core. The tension member is located in a region having an angle about the cable center line within a predetermined value with respect to a plane including a center line of the suspension wire and the cable center line.
Description
CROSS-REFERENCE[0001]This application is a Continuation of PCT Application No. PCT / JP2010 / 071591, filed on Feb. 12, 2010, and claims the priority of Japanese Patent Application No. 2009-275007, filed on Dec. 2, 2009, the content of both of which is incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an optical fiber cable in which an optical fiber is housed in a slotted core and the slotted core is covered with a sheath.[0004]2. Description of the Related Art[0005]An optical fiber cable generally includes a slotted core provided with a slotted groove to house an optical fiber inside, and a sheath to cover around the slotted core. Japanese Patent Application Publication Laid-Open Publication No. 8-211261 (Patent Document 1) describes an optical fiber cable including a slotted core provided with an SZ-twisted groove. The SZ-twisted groove is a groove which is spirally formed on an outer peripheral surface of...
Claims
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Login to View More IPC IPC(8): G02B6/44
CPCG02B6/4429G02B6/4408
InventorSAITO, KOUJIOKADA, NAOKIYAMANAKA, MASAYOSHIFUKUTE, TAKAO
OwnerTHE FUJIKURA CABLE WORKS LTD